o_19octlt3v29m1ul81r9513q81i4ra.pdf

Key Points 45
Key Points
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Most tags are based on function, not formatting. They specify that text has a certain
function, such as a heading or quotation, rather than specifying a certain way it
should appear.
The exact formatting (the appearance) applied to tagged text is controlled by the
default settings of the browser, by individual user customization, or by styles.
Define headings by using the tags through (largest to smallest).
When one heading immediately follows another as a subheading, you might want
to group them with so that screen readers and outlines show them as a
single unit.
To make text bold, use the tag; to italicize it, use the tag.
The tag for superscript is ; the tag for subscript is .
Monospaced text uses a font whose characters all occupy the same amount of horizontal
space, no matter the specific character; its opposite is proportional text.
By default, most Web text appears in a proportional font. To specify a monospaced
font, use the , , or tag. HTML5 no longer supports the obsolete
code for monospaced text.
By default, a Web browser strips out any extra spaces and ignores paragraph breaks
(except for those created when using the tag). To force the browser to render
spaces and line breaks in text, enclose that text in a tag.
To set off a block quotation, use the tag. The tag can take a
cite=”URL” attribute, but most browsers do not make use of it.
In Internet Explorer, you can choose a default text size from the View menu. This
affects only your copy of Internet Explorer, not the page itself.
In Internet Explorer, you can choose a default text font by opening the Internet
Options dialog box, clicking Fonts, and specifying the fonts to use for various
purposes.